package cn.micai.base.thread;

/**
 * 描述：使用join等待另一个线程结束
 * <p>
 *
 * @author: 赵新国
 * @date: 2018/5/11 15:01
 */
public class MyThreadJoin extends Thread {

    static int result = 0;

    public MyThreadJoin(String name) {
        super(name);
    }

    public static void main(String [] args) {
        System.out.println("主线程执行");
        Thread t = new MyThreadJoin("计算线程");
        t.start();
        System.out.println("result：" + result);
        try {
            long start = System.nanoTime();
            t.join(2000);
            long end = System.nanoTime();
            System.out.println((end-start)/1000000+"毫秒后：" + result);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    @Override
    public void run() {
        System.out.println(this.getName()+" 开始计算...");
        try {
            Thread.sleep(4000);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        result = (int) (Math.random()*10000);
        System.out.println(this.getName()+" 结束计算...");
    }
}
